Home / 3,108.96-4,663.42-1,260.05

Finding the Fourth Proportional to 3,108.96, 4,663.42 and 1,260.05

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Solution

The fourth proportional to 3,108.96, 4,663.42 and 1,260.05 is: 1,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.96 : 4,663.42 = 1,260.05 : x
  2. Step 2: Convert to fraction form
    3,108.96/4,663.42 = 1,260.05/x
  3. Step 3: Cross multiply
    3,108.96x = 4,663.42 × 1,260.05
  4. Step 4: Simplify right side
    3,108.96x = 5,876,142.37
  5. Step 5: Solve for x
    x = 5,876,142.37/3,108.96
  6. Step 6: Final answer
    x = 1,890.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.